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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "perftimelineresourcesrenderpass.h"
#include "perftimelinemodel.h"
#include <utils/theme/theme.h>
#include <tracing/timelineabstractrenderer.h>
#include <tracing/timelinerenderstate.h>
#include <QSGFlatColorMaterial>
namespace PerfProfiler {
namespace Internal {
class ResourcesRenderPassState final : public Timeline::TimelineRenderPass::State
{
public:
ResourcesRenderPassState();
~ResourcesRenderPassState() final;
QSGFlatColorMaterial *material() { return &m_material; }
int indexFrom() const { return m_indexFrom; }
int indexTo() const { return m_indexTo; }
void updateIndexes(int from, int to);
const QVector<QSGNode *> &expandedRows() const final { return m_expandedRows; }
const QVector<QSGNode *> &collapsedRows() const final { return m_collapsedRows; }
void addGeometry(QSGGeometry *geometry);
private:
QSGFlatColorMaterial m_material;
QVector<QSGNode *> m_collapsedRows;
QVector<QSGNode *> m_expandedRows;
QVector<QSGGeometry *> m_geometries;
int m_indexFrom;
int m_indexTo;
};
struct ResourcesGeometry {
static const int maxEventsPerNode = 0xffff;
int allocatedVertices = 0;
int usedVertices = 0;
QSGGeometry *geometry = nullptr;
QSGGeometryNode *collapsedNode = nullptr;
QSGGeometryNode *expandedNode = nullptr;
QSGGeometry::Point2D *vertexData();
void allocate(QSGMaterial *material);
void addEvent(float x, float y);
QSGGeometryNode *createNode(QSGMaterial *material);
void clear();
};
const PerfTimelineResourcesRenderPass *PerfTimelineResourcesRenderPass::instance()
{
static const PerfTimelineResourcesRenderPass pass = PerfTimelineResourcesRenderPass();
return &pass;
}
static void insertNode(ResourcesGeometry *geometry, const PerfTimelineModel *model,
int from, int to, const Timeline::TimelineRenderState *parentState,
ResourcesRenderPassState *state)
{
QSGNode *expandedSamplesRow = state->expandedRows().at(PerfTimelineModel::SamplesRow);
QSGNode *collapsedSamplesRow = state->collapsedRows().at(PerfTimelineModel::SamplesRow);
if (geometry->usedVertices > 0) {
geometry->allocate(state->material());
collapsedSamplesRow->appendChildNode(geometry->collapsedNode);
expandedSamplesRow->appendChildNode(geometry->expandedNode);
state->addGeometry(geometry->geometry);
}
const int rowHeight = Timeline::TimelineModel::defaultRowHeight();
for (int i = from; i < to; ++i) {
if (!model->isResourceTracePoint(i))
continue;
qint64 center = qMax(parentState->start(), qMin(parentState->end(), model->startTime(i)));
float itemCenter = (center - parentState->start()) * parentState->scale();
geometry->addEvent(itemCenter, (1.0f - model->resourceUsage(i)) * rowHeight);
}
}
static void updateNodes(const PerfTimelineModel *model, int from, int to,
const Timeline::TimelineRenderState *parentState,
ResourcesRenderPassState *state)
{
ResourcesGeometry geometry;
for (int i = from; i < to; ++i) {
if (model->isResourceTracePoint(i)
&& ++geometry.usedVertices == ResourcesGeometry::maxEventsPerNode) {
insertNode(&geometry, model, from, i + 1, parentState, state);
geometry.clear();
geometry.usedVertices = 1;
from = i;
}
}
if (geometry.usedVertices > 0)
insertNode(&geometry, model, from, to, parentState, state);
}
Timeline::TimelineRenderPass::State *PerfTimelineResourcesRenderPass::update(
const Timeline::TimelineAbstractRenderer *renderer,
const Timeline::TimelineRenderState *parentState,
Timeline::TimelineRenderPass::State *oldState, int indexFrom, int indexTo,
bool stateChanged, float spacing) const
{
Q_UNUSED(stateChanged)
Q_UNUSED(spacing)
const PerfTimelineModel *model = qobject_cast<const PerfTimelineModel *>(renderer->model());
if (!model || indexFrom < 0 || indexTo > model->count() || indexFrom >= indexTo)
return oldState;
for (int i = indexFrom; i >= 0; --i) {
if (model->isResourceTracePoint(i)) {
indexFrom = i;
break;
}
}
for (int i = indexTo, end = model->count(); i < end; ++i) {
if (model->isResourceTracePoint(i)) {
indexTo = i + 1;
break;
}
}
ResourcesRenderPassState *state = oldState ? static_cast<ResourcesRenderPassState *>(oldState)
: new ResourcesRenderPassState;
if (state->indexFrom() < state->indexTo()) {
if (indexFrom < state->indexFrom())
updateNodes(model, indexFrom, state->indexFrom() + 1, parentState, state);
if (indexTo > state->indexTo())
updateNodes(model, state->indexTo() - 1, indexTo, parentState, state);
} else {
updateNodes(model, indexFrom, indexTo, parentState, state);
}
state->updateIndexes(indexFrom, indexTo);
return state;
}
QSGGeometry::Point2D *ResourcesGeometry::vertexData()
{
return geometry->vertexDataAsPoint2D();
}
void ResourcesGeometry::allocate(QSGMaterial *material)
{
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), usedVertices);
geometry->setLineWidth(3.0);
Q_ASSERT(geometry->vertexData());
geometry->setIndexDataPattern(QSGGeometry::StaticPattern);
geometry->setVertexDataPattern(QSGGeometry::StaticPattern);
geometry->setDrawingMode(QSGGeometry::DrawLineStrip);
collapsedNode = createNode(material);
expandedNode = createNode(material);
allocatedVertices = usedVertices;
usedVertices = 0;
}
QSGGeometryNode *ResourcesGeometry::createNode(QSGMaterial *material)
{
QSGGeometryNode *node = new QSGGeometryNode;
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry, false);
node->setMaterial(material);
return node;
}
void ResourcesGeometry::clear()
{
allocatedVertices = usedVertices = 0;
geometry = nullptr;
collapsedNode = expandedNode = nullptr;
}
void ResourcesGeometry::addEvent(float x, float y)
{
QSGGeometry::Point2D *v = vertexData() + usedVertices;
v->set(x, y);
++usedVertices;
}
ResourcesRenderPassState::ResourcesRenderPassState() :
m_indexFrom(std::numeric_limits<int>::max()), m_indexTo(-1)
{
m_collapsedRows.fill(nullptr, PerfTimelineModel::SamplesRow);
QSGNode *node = new QSGNode;
node->setFlag(QSGNode::OwnedByParent, false);
m_collapsedRows.append(node);
m_expandedRows.fill(nullptr, PerfTimelineModel::SamplesRow);
node = new QSGNode;
node->setFlag(QSGNode::OwnedByParent, false);
m_expandedRows.append(node);
m_material.setColor(Utils::creatorTheme()->color(Utils::Theme::Timeline_HighlightColor));
// Disable blending
m_material.setFlag(QSGMaterial::Blending, false);
}
ResourcesRenderPassState::~ResourcesRenderPassState()
{
qDeleteAll(m_collapsedRows);
qDeleteAll(m_expandedRows);
qDeleteAll(m_geometries);
}
void ResourcesRenderPassState::updateIndexes(int from, int to)
{
if (from < m_indexFrom)
m_indexFrom = from;
if (to > m_indexTo)
m_indexTo = to;
}
void ResourcesRenderPassState::addGeometry(QSGGeometry *geometry)
{
m_geometries.append(geometry);
}
} // namespace Internal
} // namespace PerfProfiler
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